This paper proposes an interpretation theoretical model of the Aufbau of Rudolf Carnap, this interpretation contributes to upgrade the project original Carnapian, in the sense of conferring to the constitutional program of construction logical, less committed analytic equipment with an ontology or clearly defined epistemology. The setting in phenomenal logical reconstruction practice is elaborated for the visual field as a model whose potential user is a fellow ideal percipient, and, a subject epistemic that operates in the same way that a scheduled computer when he has been given basic phenomenal information and some algorithms logical.